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Bonewit Chapt 12

Cardiopulmonary Logan Greene

ECG cycle the graphic representation of a heartbeat
amplitude refers to amount, extent, size, abundance, or fullness
artifact additional electrical activity picked up by the electrocardiograph that interferes with the normal appearance of the ECG cycle
atherosclerosis buildup of fibous plaques of fatty deposits & cholesterol on the inner walls of the coronary arteries
baseline the flat horizontal line that separates the various waves of the ECG cycle
cardiac cycle one complete heartbeat
dysrhythmia an irregular heart rhythm; alter termed arrhythmia
electrocardiogram the graphic representation of the elctrical activity of the heart; known as ECG (or EKG)
electrocardiograph the instrument used to record the electrical activity of the heart
electrode a conductor of electricity, which is used to promote contact between the body and the electrocardiograph
electrolyte a chemical substance that promotes conduction of an electrical current
interval the length of a wave or the length of a wave with a segment
ischemia deficiency of blood in a body part
normal sinus rhythm refers to an ECG that is within normal limits
segment the portion of the ECG between two waves
spirometer an instrument for measuring air taken into & expelled from the lungs
spirometry measurement of an individual's breathing capactiy by means of a spirometer
Wheezing A continuous, high-pitched whistling musical sound heard particularly during exhalation and inhalation
Peak flow rate The max volume of air that can be exhaled when the pt blows into a peak flow meter as forcefully and as rapidly as possible
Oxygen Therapy The administration of supplemental oxygen at concentrations greater than room air to treat or prevent hypoxemia
Hypoxia A reduction in the oxygen supply to the tissues of the body
Hypoxemia A decrease in the oxygen saturation of the blood
Flow rate The number of liters of oxygen per minute that come out of an oxygen delivery system
Created by: logangreene